Answer: eniac

AnswerCrossword Clue
ENIACOne of the first computers
ENIAC1946 high-tech unveiling at the Univ. of Pennsylvania
ENIAC30-ton computer
ENIACGiant with 17,468 vacuum tubes
ENIACPioneer computer
ENIACComputer of the '40s
ENIACPC's great-grandfather
ENIACThe first digital computer
ENIACGranddaddy of all modern computers
ENIACGranddaddy of modern computers
ENIAC18,000-tube 30-ton monster of the '40s
ENIAC"Giant Brain" unveiled in 1946
ENIACDigital dinosaur
ENIACCalculating 30-ton monster of the '40s
ENIACPioneering computer, for short
ENIACEarly computing acronym
ENIACMachine that was called the "Giant Brain"
ENIACComputer that debuted in 1946
ENIACEarly mainframe name
ENIACEarly supercomputer
eniacan early computer
ENIACEarly computer-age acronym
ENIACEarly computer
ENIAC'40s computer
ENIACComputer built under the code name "Project PX"
ENIAC1946 University of Pennsylvania computing invention
ENIACEarly, 30-ton computer
ENIACHuge 1946 computer
ENIACBig early computer
ENIACBig 1946 computer
ENIAC1940s computer
ENIACComputer introduced in 1946
ENIAC'40s-'50s digital computer
ENIACGranddaddy of digital computers
ENIACEarly digital computer
ENIACPioneering computer
ENIACRoom-sized computer
ENIAC'40s-'50s computer
ENIAC1946 high-tech unveiling
ENIACMassive old computer